Home / 353,136.20-529,704.30-327,216.20

Finding the Fourth Proportional to 353,136.20, 529,704.30 and 327,216.20

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Solution

The fourth proportional to 353,136.20, 529,704.30 and 327,216.20 is: 490,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,136.20 : 529,704.30 = 327,216.20 : x
  2. Step 2: Convert to fraction form
    353,136.20/529,704.30 = 327,216.20/x
  3. Step 3: Cross multiply
    353,136.20x = 529,704.30 × 327,216.20
  4. Step 4: Simplify right side
    353,136.20x = 173,327,828,169.66
  5. Step 5: Solve for x
    x = 173,327,828,169.66/353,136.20
  6. Step 6: Final answer
    x = 490,824.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.